12 12 011 Replacing all spark plugs (N54)
WARNING: This page is about a different variant/trim than selected.
Necessary preliminary work
- Switch off ignition.
- Remove IGNITION COILS .
IMPORTANT:
Wear safety goggles.
Oil and dirt particles may get into your eyes!
Clean spark plug slot with compressed air.
Unscrew the spark plugs with special tool 12 1 220 and an extension with a minimum kink of 8°.
Attach new spark plug (1) 12 1 230 to special tool.
Screw the spark plug hand-tight with special tool 12 1 230 into the cylinder head plug thread to the limit position.
Installation note:
Tighten the spark plugs with a torque wrench, special tool 12 1 220 and an extension with a minimum kink of 8°.
Observe tightening torque.
Tightening torque 12 12 2AZ .